== sanity test 123aa: verify statahead work ============== 22:44:28 (1775875468)
seq.cli-lustre-OST0000-super.width=0x1ffffff
seq.cli-lustre-OST0001-super.width=0x1ffffff
kvm
mdc.lustre-MDT0000-mdc-ffff8a9108e6d000.batch_stats=0
mdc.lustre-MDT0001-mdc-ffff8a9108e6d000.batch_stats=0
striped dir -i1 -c2 -H all_char  /mnt/lustre/d123aa.sanity
total: 100 open/close in 1.40 seconds: 71.24 ops/second
llite.lustre-ffff8a9108e6d000.statahead_max=0
101

real	0m1.121s
user	0m0.007s
sys	0m0.324s
ls -l 100 files without statahead: 1 sec
llite.lustre-ffff8a9108e6d000.statahead_max=128
128
101

real	0m0.471s
user	0m0.005s
sys	0m0.301s
ls -l 100 files with statahead: 0 sec
statahead total: 101
statahead wrong: 2
agl total: 99
list_total: 24
fname_total: 77
hit_total: 1180
miss_total: 1268
total: 900 open/close in 4.88 seconds: 184.40 ops/second
llite.lustre-ffff8a9108e6d000.statahead_max=0
1001

real	0m11.781s
user	0m0.037s
sys	0m3.065s
ls -l 1000 files without statahead: 11 sec
llite.lustre-ffff8a9108e6d000.statahead_max=128
128
1001

real	0m3.303s
user	0m0.017s
sys	0m2.008s
ls -l 1000 files with statahead: 3 sec
statahead total: 102
statahead wrong: 2
agl total: 100
list_total: 25
fname_total: 77
hit_total: 2179
miss_total: 1269
 - open/close 1630 (time 1775875510.55 total 10.00 last 162.98)
total: 3000 open/close in 17.29 seconds: 173.56 ops/second
llite.lustre-ffff8a9108e6d000.statahead_max=0
4001

real	0m43.478s
user	0m0.139s
sys	0m11.780s
ls -l 4000 files without statahead: 43 sec
llite.lustre-ffff8a9108e6d000.statahead_max=128
128
4001

real	0m12.088s
user	0m0.083s
sys	0m7.416s
ls -l 4000 files with statahead: 12 sec
statahead total: 103
statahead wrong: 2
agl total: 101
list_total: 26
fname_total: 77
hit_total: 6178
miss_total: 1270
ls -l done
rm -r /mnt/lustre/d123aa.sanity: 37 seconds
llite.lustre-ffff8a9108e6d000.statahead_stats=
statahead total: 103
statahead wrong: 2
agl total: 101
list_total: 26
fname_total: 77
hit_total: 6178
miss_total: 1270
mdc.lustre-MDT0000-mdc-ffff8a9108e6d000.batch_stats=
snapshot_time:            1775875618.401938040 secs.nsecs
start_time:               1775875470.542861884 secs.nsecs
elapsed_time:             147.859076156 secs.nsecs
subreqs per batch   batches   % cum %
1:		        55  39  39
2:		         5   3  43
4:		         4   2  46
8:		         4   2  48
16:		         1   0  49
32:		        25  17  67
64:		        45  32 100
mdc.lustre-MDT0001-mdc-ffff8a9108e6d000.batch_stats=
snapshot_time:            1775875618.402010823 secs.nsecs
start_time:               1775875470.542979021 secs.nsecs
elapsed_time:             147.859031802 secs.nsecs
subreqs per batch   batches   % cum %
1:		        40  32  32
2:		         7   5  37
4:		         4   3  40
8:		         3   2  43
16:		         1   0  44
32:		        25  20  64
64:		        45  36 100
seq.cli-lustre-OST0000-super.width=65536
seq.cli-lustre-OST0001-super.width=65536